<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>节点编译</title>
</head>

<body>
    <button id="app">ADD</button>
    <div id="test"></div>
</body>
<script type="text/javascript" src="MutationObserver.js"></script>
<script type="text/javascript" src="batcher.js"></script>

</htm>
